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quant-ph2023★ 6 cited
Certification of genuine multipartite entanglement in spin ensembles with measurements of total angular momentum
Khoi-Nguyen Huynh-Vu, Lin Htoo Zaw, Valerio Scarani
We introduce entanglement witnesses for spin ensembles which detect genuine multipartite entanglement using only measurements of the total angular momentum. States that are missed…
quant-ph2023
A Witness of GHZ Entanglement Using Only Collective Spin Measurements
Lin Htoo Zaw, Khoi-Nguyen Huynh-Vu, Valerio Scarani
Of existing entanglement witnesses that utilize only collective measurements of a spin ensemble, not all can detect genuine multipartite entanglement (GME), and none can detect Gre…